
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Arial', 'Microsoft YaHei', sans-serif;
        background: white;
        min-height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 20px;
    }

    /* 表单容器 */
    .form-container {
        max-width: 420px;
        width: 100%;
        background: white;
        padding: 50px 40px;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    }

    .form-container h2 {
        text-align: center;
        color: #333;
        margin-bottom: 40px;
        font-size: 28px;
        font-weight: 500;
    }

    /* 消息提示 */
    .message {
        padding: 12px 15px;
        border-radius: 4px;
        margin-bottom: 20px;
        display: none;
        font-size: 14px;
    }

    .message.success {
        background: #f0f9ff;
        color: #0c4a6e;
        border: 1px solid #bae6fd;
    }

    .message.error {
        background: #fef2f2;
        color: #991b1b;
        border: 1px solid #fecaca;
    }

    /* 表单组 */
    .form-group {
        margin-bottom: 24px;
    }

    .form-group label {
        display: block;
        margin-bottom: 8px;
        color: #555;
        font-size: 14px;
        font-weight: 500;
    }

    .form-group input {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid #ddd;
        border-radius: 4px;
        font-size: 15px;
        transition: all 0.3s;
        background: white;
    }

    .form-group input:focus {
        outline: none;
        border-color: #666;
        box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
    }

    .form-group input::placeholder {
        color: #aaa;
    }

    /* 按钮 */
    .btn {
        width: 100%;
        padding: 13px;
        background: #333;
        color: white;
        border: none;
        border-radius: 4px;
        font-size: 16px;
        cursor: pointer;
        transition: all 0.3s;
        font-weight: 500;
        margin-top: 10px;
    }

    .btn:hover {
        background: #000;
    }

    .btn:disabled {
        background: #999;
        cursor: not-allowed;
    }

    /* 页脚 */
    .form-footer {
        text-align: center;
        margin-top: 30px;
        color: #666;
        font-size: 14px;
    }

    .form-footer a {
        color: #333;
        text-decoration: none;
        font-weight: 500;
        transition: color 0.3s;
    }

    .form-footer a:hover {
        color: #000;
        text-decoration: underline;
    }

    /* 响应式设计 */
    @media (max-width: 480px) {
        .form-container {
            padding: 40px 30px;
        }
        
        .form-container h2 {
            font-size: 24px;
        }
    }